23 April 2017 Fiber optic sensor based on polarization-dependent absorption of graphene
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Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103237R (2017) https://doi.org/10.1117/12.2265346
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of
Abstract
Graphene has been reported to show polarization-dependent optical absorption in the visible spectral range, that it shows more absorption for s-polarized light than p-polarized light. We study further on it and demonstrate that this unique property can be utilized to design a fiber optic sensor, which works in a similar way of surface plasmon resonance (SPR) fiber optic sensor. However, they are based on different mechanisms. Numerical simulation reveals that graphene layer of 5 nm is appropriate for the fiber optic sensor to achieve its best sensing performance, with a high sensitivity from 1700 to 6900 nm/RIU (refractive index unit).
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Liyun Ding, Chuang Xu, Zhilin Xia, Bing Xu, Jun Huang, "Fiber optic sensor based on polarization-dependent absorption of graphene", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103237R (23 April 2017); doi: 10.1117/12.2265346; https://doi.org/10.1117/12.2265346
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